We are aware of the issue with the badge emails resending to everyone, we apologise for the inconvenience - learn more here.
Ability to watermark multiple photos at the same time would be a lifesaver for photographers. Check out SmugMug’s go to on this. Please incorporate same thing.
It would make very much sense to be able to add watermarks to more than 1 image at a time, currently the watermark feature is 100% not useable for photographers that are in need of batch watermarking photos to send to a client